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openSUSE 15.6 Python 3.11 Major Update Resolving 14 Security Flaws

opensuse
Calendar Grey April 15, 2026
Dist Opensuse Esm H88
An important security advisory for openSUSE addressing 15 vulnerabilities in Python 3.11 with crucial updates.
An update that solves 15 vulnerabilities can now be installed.

Description

This update for python311 fixes the following issues:

* Updated to Python 3.11.15

* CVE-2025-6075: If the value passed to os.path.expandvars() is user-

controlled a performance degradation is possible when expanding environment

variables (bsc#1252974).

* CVE-2025-11468: header injection when folding a long comment in an email

header containing exclusively unfoldable characters (bsc#1257029).

* CVE-2025-12084: cpython: python: cpython: Quadratic algorithm in

xml.dom.minidom leads to denial of service (bsc#1254997).

* CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and

type AREGTYPE are combined (bsc#1259611).

* CVE-2025-13836: When reading an HTTP response from a server, if no read

amount is specified, the default behavior will be to use Content-Length

(bsc#1254400).

* CVE-2025-13837: When loading a plist file, the plistlib module reads data in

size specified by the file itself, meaning a malicious file can cause...

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Topics%20covered

Topics Covered

security advisory DoS important python OpenSUSE http injection

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1349=1 openSUSE-SLE-15.6-2026-1349=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1349=1

* Python 3 Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-1349=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1349=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1349=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* python311-tk-debuginfo-3.11.15-150600.3.53.1

* python311-testsuite-3.11.15-150600.3.53.1

* python311-debugsource-3.11.15-150600.3.53.1

* python311-base-3.11.15-150600.3.53.1

* python311-curses-3.11.15-150600.3.53.1

* python311-tk-3.11.15-150600.3.53.1

* libpython3_11-1_0-3.11.15-150600.3.53.1

* python311-base-debuginfo-3.11.15-150600.3.53.1

* python311-core-debugsource-3.11.15-150600.3.53.1

* python311-testsuite-debuginfo-3.11.15-150600.3.53.1

* python311-doc-devhelp-3.11.15-150600.3.53.1

* python311-doc-3.11.15-150600.3.53.1

* python311-tools-3.11.15-150600.3.53.1

* python311-curses-debuginfo-3.11.15-150600.3.53.1

* python311-3.11.15-150600.3.53.1

* python311-debuginfo-3.11.15-150600.3.53.1

* python311-idle-3.11.15-150600.3.53.1

* python311-devel-3.11.15-150600.3.53.1

* libpython3_11-1_0-debuginfo-3.11.15-150600.3.53.1

* python311-dbm-debuginfo-3.11.15-150600.3.53.1

* python311-dbm-3.11.15-150600.3.53.1

* openSUSE Leap 15.6 (x86_64)

*...

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References

* bsc#1252974

* bsc#1254400

* bsc#1254401

* bsc#1254997

* bsc#1257029

* bsc#1257031

* bsc#1257042

* bsc#1257046

* bsc#1257181

* bsc#1259240

* bsc#1259611

* bsc#1259734

* bsc#1259735

* bsc#1259989

* bsc#1260026

## References:

* https://www.suse.com/security/cve/CVE-2025-11468.html

* https://www.suse.com/security/cve/CVE-2025-12084.html

* https://www.suse.com/security/cve/CVE-2025-13462.html

* https://www.suse.com/security/cve/CVE-2025-13836.html

* https://www.suse.com/security/cve/CVE-2025-13837.html

* https://www.suse.com/security/cve/CVE-2025-15282.html

* https://www.suse.com/security/cve/CVE-2025-6075.html

* https://www.suse.com/security/cve/CVE-2026-0672.html

* https://www.suse.com/security/cve/CVE-2026-0865.html

* https://www.suse.com/security/cve/CVE-2026-1299.html

* https://www.suse.com/security/cve/CVE-2026-2297.html

* https://www.suse.com/security/cve/CVE-2026-3479.html

* https://www.suse.com/security/cve/CVE-2026-3644.html

* https://www.suse.com/security/cve/CVE-2026-4224.html

*...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1349-1
Release Date: 2026-04-15T13:36:10Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * Python 3 Module 15-SP7 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory DoS important python OpenSUSE http injection

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